Ritchie Robertson Books

"The 'Jewish Question' in German Literature, 1749-1939 is an erudite and searching literary study of the uneasy position of the Jews in Germany and Austria from the first pleas for Jewish emancipat...

The Jewish Question in German Literature, 1749-1939: Emancipation and Its Discontents

By Ritchie Robertson

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Goethe: A Very Short Introduction

By Ritchie Robertson

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In 1878 the Victorian critic Matthew Arnold wrote: 'Goethe is the greatest poet of modern times ... because having a very considerable gift for poetry, he was at the same time, in the width, depth,...

The Cambridge Companion to Thomas Mann Cambridge Companions to Literature

By Ritchie Robertson

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The Cambridge Companion to Thomas Mann Cambridge Companions to Literature

By Ritchie Robertson

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.